/* 通过id选择器设置属性 */
#container {
	background-color: white;
}

/* 大标题 */
h1{
	text-align: center;
}

/* 通过id选择器设置导航栏属性 */
#navigation1 {
	width: 100%;
	height: 100px;
	margin: 0 auto;
	background-color: azure;
	margin-top: 30px;
}

a{
	text-decoration: none;
	width: 100px;
	height: 100px;
	text-align: center;
	line-height: 100px;
	color: black;
	display: inline-block;
	margin-left: 15%;
}
a:hover{
	background-color: aquamarine;
	color: #F0F8FF;
}
.image1{
	margin-top: 20px;
	width: 100%;
	display: flex;
}